Introduction
The Endress+Hauser iTHERM TrustSens TM371 is the world’s first fully self-calibrating RTD thermometer designed for critical hygienic and aseptic processes in life sciences, food, and beverage industries. Featuring fully automated in-situ calibration at 118 °C (SIP) and 39 °C (CIP), paired with Heartbeat Technology, it eliminates the need for process shutdowns and ensures continuous compliance with FDA, 3-A, and EHEDG standards.
Specification
| Specification | Details |
|---|---|
| Measuring Principle | Resistance Temperature Detector (RTD) |
| Core Application | Self-calibrating hygienic RTD for life sciences & food/beverage industries |
| Protection Tube Material | 1.4435 (Delta Ferrite < 1%), 316L stainless steel |
| Operating Temperature Range | Pt100: -40 °C to 160 °C (optional up to 190 °C) |
| Max. Static Process Pressure | 40 bar (580 psi) at 20 °C |
| Response Time | t50 = 2.5 s; t90 = 5.4 s |
| Output Signals | 4-20 mA, HART |
| Certifications & Approvals | ATEX IECEx Ex ia, CSA C/US IS, UKCA Ex ia; 3-A, EHEDG, FDA compliant |
Key Advantages
Revolutionary Self-Calibration Technology: The only RTD thermometer with fully automated in-situ calibration, eliminating costly shutdowns and manual recalibration while maintaining compliance.
Audit-Ready Hygienic Compliance: Designed for life sciences and food & beverage applications, meeting FDA, 3-A, EHEDG, and ASME BPE standards with automatic, traceable calibration documentation.
Continuous Process Safety & Reliability: Heartbeat Technology enables real-time device monitoring, drift detection, and automated loop checks, ensuring consistent performance in critical processes like SIP and CIP.
Factory-Matched Precision & Wide-Range Performance: Factory-calibrated sensor-transmitter pairing delivers high accuracy across -40 °C to 160 °C (optional up to 190 °C), with static pressure resistance up to 40 bar.
Plug-and-Play Integration & Future-Ready Connectivity: Preconfigured for quick commissioning with guided wizards, supporting 4-20 mA/HART outputs and cloud-based calibration data access via Netilion for predictive maintenance.